[fireman15]

Seems to me that would just be a low-calorie / no-calorie ingredient that provides fiber to scrub intestines clean.

I don't know what the German government is worrying about. Cellulose aka wood pulp aka sawdust is a very common food additive. They add it to many foods to increase their roughage values, lower calories per serving, decrease "clumpiness" and for texture etc... This is stupid.

https://www.prevention.com/food-nutrition/healthy-eating/a20457107/31-foods-that-contain-sawdust/

[wgmalabama]

That writer must really dislike salad dressing. They put it on the list twice.